McDonald's Canada has released a video on YouTube that takes you behind the scenes of a typical photo shoot for one of its advertisements—detailing exactly what McDonald's does to make its burgers look so much better than they do in stores.

It was an unexpectedly transparent response to a customer who asked, "Why does your food look different in the advertising than what is in the store?"

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A regular Quarter Pounder takes about a minute to make in-store, but one of McDonald's photo shoots takes a couple hours.

All the ingredients they use are exactly the same as the ones used in stores — patties, buns, ketchup, mustard and all.

They want to show all the elements of the burger in one picture, so it's built specifically so that viewers can see everything. In a McDonald's store, workers would just pile it on in a straight stack.